Environmental characteristics of submarine equipment&rsquo;s impact test section

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Journal of Vibration and Shock ›› 2019, Vol. 38 ›› Issue (21) : 80-85.

Environmental characteristics of submarine equipment’s impact test section

HAN Lu1,2, FENG Linhan2, Zhang Lei2, Yan Ming1

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Abstract

For the newly developed shipborne equipment, navies of all countries require their impact resistance to meet the assessment criteria before they can be installed on ships.In order to conduct impact examination tests of a submarine’s large equipment under the condition near actual combat, the platform to simulate a submarine’s test section was designed and manufactured.Under standard examination conditions with different distances from the blast source, underwater explosion tests of the test section were numerically simulated to predict shock environment provided by the test section.According to numerical simulation results and relevant theoretical calculations, test conditions were drawn up and three underwater explosion tests were completed.The actually measured impact spectra were analyzed through rounding and interpolation fitting.It was shown that the establishment of the test section meets the requirement for the ratio of transverse to vertical of the large equipment shock environment index; the study results provide a necessary environment for further examining submarine large equipment’s impact resistance.

Key words

underwater explosion / submarine / shock environment;shock resistance performance

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HAN Lu1,2, FENG Linhan2, Zhang Lei2, Yan Ming1. Environmental characteristics of submarine equipment’s impact test section[J]. Journal of Vibration and Shock, 2019, 38(21): 80-85

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